Abdusattorov tries to gain some activity, but this probably worsens his position. 13...b6 or 13...Bd7 leads to a normal position with a slight but comfortable advantage for White.
11. f3e5 This is the point of White's previous move: White prevents e6-e5. 11... c6e5  12. c3e5  12... f8d8  13. d3c2 